/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--surface);
    border-right: 1px solid var(--border);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
    transition: transform var(--transition-base);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: var(--spacing-xl);
}

.logo-icon {
    color: var(--primary);
    width: 28px;
    height: 28px;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
    text-align: left;
    width: 100%;
}

.nav-item:hover {
    background-color: var(--surface-hover);
    color: var(--text-main);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.05) 100%);
    color: var(--primary);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-bar {
    padding: var(--spacing-lg) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--surface);
    position: sticky;
    top: 0;
    z-index: 50;
    border-bottom: 1px solid var(--border);
}

.top-bar-left h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
    animation: fadeIn var(--transition-slow) ease-out;
}

.content-area {
    padding: var(--spacing-xl);
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

/* Mobile Header */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 var(--spacing-md);
    align-items: center;
    justify-content: space-between;
    z-index: 100;
}

.mobile-header .logo {
    margin-bottom: 0;
    font-size: 1.25rem;
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-main);
    transition: background var(--transition-fast);
}

.icon-btn:hover {
    background: var(--surface-hover);
}

/* Mobile Bottom Nav */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 70px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 0 var(--spacing-sm);
    align-items: center;
    justify-content: space-around;
    z-index: 100;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.mobile-nav-item.active {
    color: var(--primary);
}

.mobile-nav-item.add-btn {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: white;
    border-radius: var(--radius-full);
    margin-top: -20px;
    box-shadow: var(--shadow-glow);
}

/* Charts Area */
.chart-container {
    height: 250px;
    position: relative;
}

.chart-container.large {
    height: 350px;
}

/* Filters Bar */
.filters-bar {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    flex: 1;
    min-width: 200px;
}

.search-box input {
    background: none;
    border: none;
    color: var(--text-main);
    flex: 1;
    outline: none;
}

.search-box i {
    color: var(--text-muted);
    width: 18px;
    height: 18px;
}

/* Mobile Responsive */
@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-2 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
        padding-top: 60px;
        padding-bottom: 80px;
    }

    .top-bar {
        display: none;
    }

    .mobile-header {
        display: flex;
    }

    .mobile-nav {
        display: flex;
    }

    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .content-area {
        padding: var(--spacing-md);
    }

    .filters-bar {
        flex-direction: column;
    }

    .search-box {
        width: 100%;
    }
}